A water heater is necessary for any commercial building, but saving energy and keeping the bottom line as low as possible is too. Here are some commercial water heater energy-efficiency terms you need to know.

4 Water Heater Energy-Efficiency Terms

Uniform Energy Factor (UEF) is the measurement of a water heater’s overall energy-efficiency, which is based on the amount of hot water it produces per unit of fuel used over a typical day. The higher the energy factor, the higher the water heater efficiency.

Insulation R-Value refers to how well a water heater’s insulation will help with radiant heat loss prevention through the tank. A higher R-value will increase the overall Uniform Energy Factor.

Heat Traps are special fittings installed at the cold-water inlet and hot water outlet connections. The job of a heat trap is to prevent heat from escaping through these connections when on standby. They help increase the overall Uniform Energy Factor.

Self-Cleaning is a unique feature on some water heaters, which introduces cold water into the tank. When it does, it keeps very small particles of lime and other types of sediment in motion, so they don’t accumulate on the bottom of the tank or on the electric heating elements. Self-cleaning water heaters can extend the life of the tank by helping to prevent metal fatigue caused by sediment accumulation at welded points.

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